#region License
// Copyright 2008-2009 Jeremy Skinner (http://www.jeremyskinner.co.uk)
// 
// Licensed under the Apache License, Version 2.0 (the "License"); 
// you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, 
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// The latest version of this file can be found at http://www.codeplex.com/FluentValidation
#endregion

namespace FluentValidation.Internal {
    using System;
    using System.Collections.Generic;
    using System.Linq;

    public class NamedExpression<T>
    {
        public string Identifier { get; set; }
        public Func<T, object> Expression { get; set; }
    }

    public class MemberValidatorSelector : IValidatorSelector {
        readonly IEnumerable<string> _members;

        public MemberValidatorSelector(IEnumerable<string> members) {
            _members = members;
        }

        #region IValidatorSelector Members
        public bool CanExecute<T>(IPropertyRule<T> rule, string propertyPath) {
            return _members.Any(x => x == rule.Member);
        }
        #endregion

        public static MemberValidatorSelector FromExpressions<T>(IEnumerable<NamedExpression<T>> propertyExpressions)
        {
            List<string> members = propertyExpressions.Select(x => x.Identifier).ToList();
            return new MemberValidatorSelector(members);
        }


    }
}